US20230332386A1 - Water conveyance implement - Google Patents

Water conveyance implement Download PDF

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Publication number
US20230332386A1
US20230332386A1 US18/025,598 US202118025598A US2023332386A1 US 20230332386 A1 US20230332386 A1 US 20230332386A1 US 202118025598 A US202118025598 A US 202118025598A US 2023332386 A1 US2023332386 A1 US 2023332386A1
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US
United States
Prior art keywords
water
main body
body portion
hot
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
US18/025,598
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English (en)
Inventor
Fumiyasu ISHIGURO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lixil Corp
Original Assignee
Lixil Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lixil Corp filed Critical Lixil Corp
Assigned to LIXIL CORPORATION reassignment LIXIL CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ISHIGURO, Fumiyasu
Publication of US20230332386A1 publication Critical patent/US20230332386A1/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/075—Arrangement of devices for control of pressure or flow rate
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/042—Arrangements on taps for wash-basins or baths for connecting to the wall
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/021—Devices for positioning or connecting of water supply lines
    • E03C1/023—Devices for positioning or connecting of water supply lines with flow distribution, e.g. diverters
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0403—Connecting the supply lines to the tap body
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0408—Water installations especially for showers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C2001/026—Plumbing installations for fresh water with flow restricting devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C2001/028—Alignment aids for plumbing installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves

Definitions

  • the present disclosure relates to a water conveyance implement.
  • Patent Literature 1 describes a water conveyance implement having a main body functional portion molded using resin with excellent pressure resistance strength.
  • a cover portion is integrally molded on the outer surface of the main body functional portion, using resin such as ABS resin to which plating easily adheres. With the outer surface of the cover portion plated, the water conveyance implement can have excellent outer appearance.
  • the cover portion is molded, and then the outer surface thereof is plated. There has been a demand for omission of the molding of the cover portion, so that the water conveyance implement can be more easily manufactured.
  • the present disclosure has been made in view of the above, and an object of the present disclosure is to provide a water conveyance implement having excellent outer appearance without molding the cover portion.
  • a water conveyance implement of the present disclosure includes a main body portion in which a water passage for hot/cold water is formed. Pressure higher than supply pressure of the hot/cold water to the water passage during flow acts on the water passage, the main body portion is formed by engineering plastic, and a plated portion is formed on an outer surface of the main body portion itself.
  • FIG. 1 is a perspective view illustrating a state where a hot/cold water mixing faucet is attached to a bathroom.
  • FIG. 2 is a plan view illustrating the hot/cold water mixing faucet.
  • FIG. 3 is a cross-sectional view illustrating an attachment leg.
  • FIG. 4 is a cross-sectional view illustrating a shower elbow.
  • a hot/cold water mixing faucet 50 includes a water faucet main body 10 , attachment legs 20 , and a shower elbow 30 .
  • the water faucet main body 10 , the attachment legs 20 , and the shower elbow 30 serve as a water conveyance implement in which water passages 17 , 25 , and 36 are formed.
  • the hot/cold water mixing faucet 50 is of a wall-attached type attached to a wall surface 51 of a bathroom.
  • the hot/cold water mixing faucet 50 mixes therein hot water and cold water supplied from the back side of the wall surface 51 of the bathroom, and discharges the resultant water through a water outlet 52 and a shower head (discharge portion) 53 .
  • the water outlet 52 extends forward from the water faucet main body 10 .
  • the shower head 53 is connected to the water faucet main body 10 through a hose 54 .
  • the shower head 53 has a temporary water stop function.
  • the shower head 53 includes an operation switch 55 and a water stop valve (not illustrated). By operating the operation switch 55 , water discharge from the shower head 53 can be temporarily switched between ON and OFF.
  • the water faucet main body 10 is provided with two handles 56 .
  • the temperature of the discharged hot/cold water can be adjusted.
  • water discharge from the water outlet 52 and the shower head 53 can be switched between ON and OFF.
  • the other one of the handles 56 the amount of discharge water can be adjusted.
  • two attachment legs 20 are attached to the back surface of the water faucet main body 10 .
  • One of the attachment legs 20 is connected to a hot water supply pipe (supply pipe) fixed to the wall surface 51 of the bathroom. Hot water is supply to the attachment leg 20 from a hot water supply source through the hot water supply pipe.
  • the other one of the attachment legs 20 is connected to a cold water supply pipe (supply pipe) fixed to the wall surface 51 of the bathroom. Cold water is supply to the attachment leg 20 from a cold water supply source through the cold water supply pipe.
  • the shower elbow 30 is attached to the back surface of the water faucet main body 10 .
  • the shower elbow 30 is disposed between the left and right attachment legs 20 .
  • the water faucet main body 10 includes a main body portion 12 .
  • the main body portion 12 has a cylindrical shape elongated in a left and right direction in a state of being attached to the wall surface 51 of the bathroom.
  • the main body portion 12 includes a connection portion for the water outlet 52 , the attachment legs 20 , and the shower elbow 30 each.
  • the connection portion is connected to each of the water outlet 52 , the attachment legs 20 , and the shower elbow 30 , using a joint 57 .
  • the main body portion 12 accommodates two valve bodies 16 F and 16 S.
  • a first valve body 16 F is an adjustment valve for adjusting a mixing ratio between hot water and cold water.
  • a function of the first valve body 16 F includes closing a flow path communicating with one of inflow paths 17 A described below while opening the other one of the inflow paths 17 A.
  • the second valve body 16 S switches between shower water discharge, water outlet water discharge, and stop of water discharge, and adjusts the amount of discharge water.
  • a function of the second valve body 16 S includes: closing a flow path communicating with one of outflow paths 17 C described below while opening a flow path communicating with the other one of the outflow paths 17 C; and closing the flow paths communicating with both of the outflow paths 17 C.
  • a water passage 17 is provided in the main body portion 12 .
  • the water passage 17 includes the inflow paths 17 A, an intermediate flow path 17 B, and the outflow paths 17 C.
  • the inflow paths 17 A establish communication between the attachment legs 20 and the first valve body 16 F. Hot water flows in one of the inflow paths 17 A and cold water flows in the other one of the inflow paths 17 A.
  • the intermediate flow path 17 B establishes communication between the first valve body 16 F and the second valve body 16 S.
  • the outflow paths 17 C establish communication between the second valve body 16 S and the water outlet 52 , and between the second valve body 16 S and the shower elbow 30 .
  • Dynamic water pressure higher than supply pressure of the hot/cold water to the water passage 17 acts on the water passage 17 .
  • the supply pressure is a dynamic water pressure in an inflow portion of the attachment leg 20 .
  • Dynamic water pressure higher than the supply pressure of the cold water acts on the inflow path 17 A in which the cold water flows.
  • Dynamic water pressure higher than the supply pressure of the hot water (hot water supply pressure) acts on the inflow path 17 A in which the hot water flows.
  • Dynamic water pressure in the inflow paths 17 A and the intermediate flow path 17 B varies depending on how much the first valve body 16 F and the second valve body 16 S are open.
  • the attachment leg 20 includes a main body portion 22 .
  • the main body portion 22 is bent in an L shape.
  • the main body portion 22 includes two connection portions 23 F and 23 S.
  • the first connection portion 23 F is provided at the upstream end of the main body portion 22 .
  • the first connection portion 23 F is connected to the supply pipe.
  • the first connection portion 23 F is fixed to the wall surface 51 of the bathroom using a fixing member 58 .
  • the second connection portion 23 S is provided at the downstream end of the main body portion 22 .
  • the second connection portion 23 S is connected to the connection portion of the water faucet main body 10 .
  • the main body portion 22 accommodates a valve body 24 which opens and closes a water passage 25 .
  • the valve body 24 is a water stop valve.
  • the valve body 24 of the attachment leg 20 connected to the cold water supply pipe switches cold water supply between ON and OFF.
  • the valve body 24 of the attachment leg 20 connected to the hot water supply pipe switches hot water supply between ON and OFF.
  • the water passage 25 is provided in the main body portion 22 .
  • Cold water passes through the water passage 25 of the attachment leg 20 connected to the cold water supply pipe.
  • Hot water passes through the water passage 25 of the attachment leg 20 connected to the hot water supply pipe.
  • the water passage 25 includes an inflow path 25 A and an outflow path 25 B.
  • the inflow path 25 A establishes communication between the supply pipe and the valve body 24 .
  • the outflow path 25 B establishes communication between the valve body 24 and the water faucet main body 10 .
  • the outflow path 25 B is connected to the inflow path 17 A of the faucet main body 10 .
  • the shower elbow 30 includes a main body portion 32 .
  • the main body portion 32 includes two connection portions 33 F and 33 S.
  • the first connection portion 33 F is provided at the upstream end of the main body portion 32 .
  • the first connection portion 33 F is connected to the connection portion of the water faucet main body 10 .
  • the second connection portion 33 S is provided at the downstream end of the main body portion 32 .
  • the second connection portion 33 S is connected to the hose 54 by the joint 57 .
  • the main body portion 32 has an upper surface provided with an opening. The opening of the main body portion 32 is closed by a cap 34 .
  • the main body portion 32 accommodates a valve body 35 which opens and closes a water passage 36 .
  • the valve body 35 is a pressure reduction valve.
  • the valve body 35 is moved upward by elastic force of a spring.
  • the valve body 35 reduces the water pressure on the downstream side of the valve body 35 to or below set water pressure.
  • the water passage 36 is provided in the main body portion 32 .
  • the water passage 36 includes an inflow path 36 A and an outflow path 36 B.
  • the inflow path 36 A establishes communication between the water faucet main body 10 and the valve body 35 .
  • the outflow path 36 B establishes communication between the valve body 35 and the hose 54 .
  • the outflow path 36 B is connected to the flow path of the hose 54 .
  • the valve body 35 When the internal pressure of the hose 54 rises due to the temporary stop of the water discharge from the shower head 53 , the valve body 35 is displaced in a direction of closing the water passage 36 . When the internal pressure of the hose 54 reaches a predetermined pressure, the valve body 35 closes. Thus, increase of the pressure in the outflow path 36 B is suppressed, and increase of the internal pressure of the hose 54 is suppressed.
  • the main body portion 12 of the water faucet main body 10 , the main body portion 22 of the attachment leg 20 , and the main body portion 32 of the shower elbow 30 are formed by engineering plastic having high mechanical strength.
  • the engineering plastic include polyphenylene sulfide resin (PPS), polyamide (PA), polyacetal (POM), modified polyphenylene ether (m-PPE), polybutylene terephthalate (PBT), polysulfone (PSU), polyether sulfone (PES), polyether ether ketone (PEEK), polyether imide (PEI), and polyamide imide (PAI).
  • a plated portion M is formed on the outer surfaces of the main body portion 12 of the water faucet main body 10 , the main body portion 22 of the attachment leg 20 , and the main body portion 32 of the shower elbow 30 .
  • the plated portion M is formed on the outer surfaces of the main body portion 12 , 22 , 32 itself using a known method.
  • the plated portion M is formed on the surface of a molded products of the main body portion 12 , 22 , 32 , which are obtained by injection molding of engineering plastic, after the surface has been treated using a solution including oxidizing agent.
  • the embodiment configured as described above provides the following effects.
  • the water faucet main body 10 includes the main body portion 12 .
  • the water passage 17 for hot/cold water is formed in the main body portion 12 . Pressure higher than the supply pressure of the hot/cold water to the water passage 17 during flow acts on the water passage 17 .
  • the main body portion 12 is formed by engineering plastic.
  • the plated portion M is formed on the outer surface of the main body portion 12 itself. According to this configuration, the main body portion 12 having excellent durability is formed by engineering plastic, and the plated portion M is formed on the outer surface of the main body portion 12 itself, so that the water faucet main body 10 can have excellent outer appearance.
  • the water faucet main body 10 can have excellent outer appearance, without molding a cover portion.
  • the main body portion 12 accommodates the valve bodies 16 F and 16 S which open and close the water passage 17 . According to this configuration, when the valve bodies 16 F and 16 S are closed, static water pressure acts on the water passage 17 . Even the water faucet main body 10 which is subject to such high water pressure can have excellent outer appearance, with the main body portion 12 having excellent durability formed by engineering plastic, and with the plated portion M formed on the outer surface of the main body portion 12 itself.
  • the attachment leg 20 includes the main body portion 22 .
  • the water passage 25 for hot/cold water is formed in the main body portion 22 . Pressure higher than the supply pressure of the hot/cold water to the water passage 25 acts on the water passage 25 .
  • the main body portion 22 is formed by engineering plastic.
  • the plated portion M is formed on the outer surface of the main body portion 22 itself. According to this configuration, the main body portion 22 having excellent durability is formed by engineering plastic, and the plated portion M is formed on the outer surface of the main body portion 22 itself, so that the attachment leg 20 can have excellent outer appearance. Thus, the attachment leg 20 can have excellent outer appearance, without molding a cover portion.
  • the main body portion 22 accommodates a valve body 24 which opens and closes a water passage 25 . According to this configuration, when the valve body 24 is closed, static water pressure acts on the water passage 25 . Even the attachment leg 20 which is subject to such high water pressure can have excellent outer appearance, with the main body portion 22 having excellent durability formed by engineering plastic, and with the plated portion M formed on the outer surface of the main body portion 22 itself.
  • the main body portion 22 includes the connection portion 23 F for connection to a supply pipe through which hot/cold water is supplied from the water supply source.
  • the connection portion 23 F for the supply pipe needs to have high strength.
  • the attachment leg 20 including such a connection portion 23 F can have excellent outer appearance, with the main body portion 22 having excellent durability formed by engineering plastic, and with the plated portion M formed on the outer surface of the main body portion 22 itself.
  • the shower elbow 30 includes the main body portion 32 .
  • the water passage 36 for hot/cold water is formed in the main body portion 32 . Pressure higher than the supply pressure of the hot/cold water to the water passage 36 acts on the water passage 36 .
  • the main body portion 32 is formed by engineering plastic.
  • the plated portion M is formed on the outer surface of the main body portion 32 itself. According to this configuration, the main body portion 32 having excellent durability is formed by engineering plastic, and the plated portion M is formed on the outer surface of the main body portion 32 itself, so that the shower elbow 30 can have excellent outer appearance. Thus, the shower elbow 30 can have excellent outer appearance, without molding a cover portion.
  • the main body portion 32 accommodates the valve body 35 which opens and closes the water passage 36 . According to this configuration, when the valve body 35 is closed, static water pressure acts on the water passage 36 . Even the shower elbow 30 which is subject to such high water pressure can have excellent outer appearance, with the main body portion 32 having excellent durability formed by engineering plastic, and with the plated portion M formed on the outer surface of the main body portion 32 itself.
  • the main body portion 32 is connected to the upstream side of the shower head 53 including a water stop valve. According to such a configuration, when the water discharge from the shower head 53 is stopped, high pressure acts on the main body portion 32 .
  • a shower elbow 30 can also have excellent outer appearance, with the main body portion 32 having excellent durability formed by engineering plastic, and with the plated portion M formed on the outer surface of the main body portion 32 itself.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Domestic Plumbing Installations (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Valve Housings (AREA)
US18/025,598 2020-11-20 2021-08-02 Water conveyance implement Pending US20230332386A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-193558 2020-11-20
JP2020193558A JP7383596B2 (ja) 2020-11-20 2020-11-20 通水具
PCT/JP2021/028642 WO2022107396A1 (fr) 2020-11-20 2021-08-02 Outil de transport d'eau

Publications (1)

Publication Number Publication Date
US20230332386A1 true US20230332386A1 (en) 2023-10-19

Family

ID=81708764

Family Applications (1)

Application Number Title Priority Date Filing Date
US18/025,598 Pending US20230332386A1 (en) 2020-11-20 2021-08-02 Water conveyance implement

Country Status (5)

Country Link
US (1) US20230332386A1 (fr)
JP (1) JP7383596B2 (fr)
CN (1) CN116249851A (fr)
DE (1) DE112021006061T5 (fr)
WO (1) WO2022107396A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4161375B2 (ja) * 1995-10-31 2008-10-08 東陶機器株式会社 シャワー装置
JP2001220781A (ja) 2000-02-07 2001-08-17 Toto Ltd 樹脂水栓
JP3513492B2 (ja) * 2001-01-10 2004-03-31 株式会社ナニワ製作所 横向き分岐口をもつシングルレバ−式湯水混合栓
JP2007007026A (ja) * 2005-06-29 2007-01-18 Mym Corp シャワーヘッド
CN103075544B (zh) * 2012-12-28 2014-12-24 珠海市舒丽玛温控卫浴设备有限公司 防烫恒温水龙头
WO2018099003A1 (fr) * 2016-11-30 2018-06-07 佛山市顺德区美的饮水机制造有限公司 Robinet d'eau

Also Published As

Publication number Publication date
JP7383596B2 (ja) 2023-11-20
DE112021006061T5 (de) 2023-09-07
WO2022107396A1 (fr) 2022-05-27
CN116249851A (zh) 2023-06-09
JP2022082162A (ja) 2022-06-01

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STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

AS Assignment

Owner name: LIXIL CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ISHIGURO, FUMIYASU;REEL/FRAME:064422/0333

Effective date: 20230217